E20-393 Free Practice Test

What is the maximum number of file system snapshots that are supported by Unity?

1. A. 16
2. B. 96
3. C. 256
4. D. 512

Correct Answer: C

A storage administrator is implementing FAST Cache on a Unity 500 storage array and can select from a mix of SSD drives. Which drive types can be configured to meet the administrator’s requirements?

1. A. 200 GB and 400 GB
2. B. 400GB and 1.6 TB
3. C. 1.6 TB and 3.2 TB
4. D. 3.2 TB and 800 GB

Correct Answer: A
Unity 500 FAST Cache is only supported by 200 GB and 400 GB SSD hard drives. References:

After performing the initial configuration of a new UnityVSA, when do alerts concerning license expiration first occur?

1. A. 7 days prior to expiration
2. B. 15 days prior to expiration
3. C. 1 month prior to expiration
4. D. 2 months prior to expiration

Correct Answer: C
References: https://www.emc.com/collateral/white-papers/h15092-dell-emc-unity-vsa.pdf

When the LUN Snapshot Attach to Host operation is performed, what does the Unity system optionally do before beginning the attach process?

1. A. Creates a snapshot of the LUN
2. B. Detaches the host from the snapshots of any other LUN
3. C. Creates a copy of the snapshot
4. D. Deletes all other existing snapshots of the LUN

Correct Answer: B

A storage administrator wants to configure a Unity system to join the list of arrays remotely monitored for activity and system status using Unisphere Central. The security policy on the Unisphere server was set to “automatic”.
What additional security information must be specified in the Unisphere Settings window to enable communication with Unisphere Central?

1. A. Unisphere Central IP address and login credentials
2. B. Unisphere Central IP address and Central Hash
3. C. Unisphere Central Hash and login credentials
4. D. Unisphere Central Hash and challenge phrase

Correct Answer: D
Configure the security policy to specify how storage systems are verified when connecting to Unisphere Central. Automatic verification automatically verifies storage systems when they connect to Unisphere Central using a preconfigured security certificate hash and passphrase.
References: https://www.emc.com/collateral/white-papers/h13827-unisphere-central-v4-wp.pdf (page 21)